Liftable obstacle-avoiding, inclination-guiding, coring and drilling whipstock

The utility model relates to the technical field of drilling equipment, in particular to a liftable obstacle-avoiding inclination-guiding coring drilling inclination guider which comprises a hollow pipe and an inclination guiding pipe, a first inclined face is arranged on the upper portion of the ou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIANG YUETAO, SU WENKAI, ZHU RUI, YU HOUWEI, TAN SHUAI, CAO CHENGLU, DU YEDONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to the technical field of drilling equipment, in particular to a liftable obstacle-avoiding inclination-guiding coring drilling inclination guider which comprises a hollow pipe and an inclination guiding pipe, a first inclined face is arranged on the upper portion of the outer side of the hollow pipe, a second inclined face is arranged on the upper portion of the outer side of the inclination guiding pipe, the first inclined face and the second inclined face are fixed in a welding mode after being attached to each other, and the hollow pipe is vertically arranged. An included angle is formed between the inclined guide pipe and the hollow pipe, and the inclined guide pipe is communicated with the hollow pipe. The whipstock is reasonable in design, suitable for any drilling, wide in application range and short in coring distance when inclining out of an original hole, and due to the fact that the whipstock is of a spliced structure, the whipstock is simple in structure, convenient to m